package com.mzxy.boxuegu;

import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

import com.mzxy.boxuegu.utils.MD5Utils;

import static com.mzxy.boxuegu.utils.MD5Utils.md5;

public class LoginActivity extends AppCompatActivity {

    private TextView tv_main_title;
    private TextView tv_back,tv_register,tv_find_psw;
    private Button btn_login;
    private String userName,psw,spPsw;
    private EditText et_user_name,et_psw;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);

        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        init();

    }

    private void init() {
        tv_main_title=(TextView) findViewById(R.id.tv_main_title);
        tv_main_title.setText("登录");
        tv_back =(TextView) findViewById(R.id.tv_back);
        tv_register =(TextView) findViewById(R.id.tv_register);
        tv_find_psw =(TextView) findViewById(R.id.tv_find_psw);
        btn_login = (Button) findViewById(R.id.btn_login);
        et_user_name = (EditText)findViewById(R.id.et_user_name);
        et_psw = (EditText) findViewById(R.id.et_psw);


        tv_back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                LoginActivity.this.finish();
            }
        });




        tv_register.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent  = new Intent(LoginActivity.this,RegisterActivity.class);
                startActivityForResult(intent,1);
            }
        });




        tv_find_psw.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

            }
        });




        btn_login.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                userName = et_user_name.getText().toString().trim();
                psw = et_psw.getText().toString().trim();
                String md5Psw = MD5Utils.md5(psw);
                psw = MD5Utils.md5(psw);
                spPsw = readPsw(userName);
                Log.d("login", userName + ":" + psw+"--"+spPsw);

                if (TextUtils.isEmpty(userName)) {
                    Toast.makeText(LoginActivity.this, "请输入用户名", Toast.LENGTH_SHORT).show();
                    return;
                } else if (TextUtils.isEmpty(psw)) {
                    Toast.makeText(LoginActivity.this, "请输入密码", Toast.LENGTH_SHORT).show();
                    return;
                } else if (psw.equals(md5Psw)) {
                    Toast.makeText(LoginActivity.this, "登录成功", Toast.LENGTH_SHORT).show();
                    saveLoginStatus(true, userName);
                    Intent data = new Intent();
                    data.putExtra("isLogin", true);
                    setResult(RESULT_OK, data);

                   LoginActivity.this.finish();
                    return;
                } else if ((!TextUtils.isEmpty(spPsw) && !md5Psw.equals(spPsw))) {
                    Toast.makeText(LoginActivity.this, "用户名和密码不一致", Toast.LENGTH_SHORT).show();


                    return;
                } else {
                    Toast.makeText(LoginActivity.this, "用户名不存在", Toast.LENGTH_SHORT).show();
                }
            }

        });

    }


    private String readPsw(String userNmae) {
        SharedPreferences sp = getSharedPreferences("loginInfo",MODE_PRIVATE);
        return sp.getString(userName,"");
    }



    private void saveLoginStatus(boolean status, String userNmae) {
        SharedPreferences sp= getSharedPreferences("loginInfo",MODE_PRIVATE);
        SharedPreferences.Editor editor = sp.edit();
        editor.putBoolean("isLogin",status);
        editor.putString("loginUserName",userName);
        editor.commit();
    }

    @Override
    protected void onActivityResult(int requestCode,int resultCode,Intent data){
        super.onActivityResult(requestCode,resultCode,data);
        if(data!=null){
            String userName = data.getStringExtra("userName");
            if (!TextUtils.isEmpty(userName)){
                et_user_name.setText(userName);
                et_user_name.setSelection(userName.length());
            }
        }
    }
}
